<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
          mode="inline"
          :style="{ height: '100%', borderRight: 0 }"
          @click="handleClick"
      >
        <a-menu-item key="welcome">
          <router-link :to="'/'">
            <MailOutlined />
            <span>欢迎</span>
          </router-link>
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
              <span><user-outlined />{{item.name}}</span>
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined /><span>{{child.name}}</span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <TheWelcome></TheWelcome>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter:20 ,column:3}"
               :data-source="ebooks">

        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
              <span>
            <component v-bind:is="'FileOutlined'" style="margin-right: 8px" />
            {{ item.docCount }}
          </span>
              <span>
            <component v-bind:is="'UserOutlined'" style="margin-right: 8px" />
            {{ item.viewCount }}
          </span>
          <span>
            <component v-bind:is="'LikeOutlined'" style="margin-right: 8px" />
            {{ item.voteCount }}
          </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>
                <router-link :to="'/doc?ebookId='+item.id">
                  {{ item.name }}
                </router-link>
              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>

          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>

</template>

<script lang="ts">
import axios from 'axios';
import { defineComponent, onMounted , ref , reactive , /*toRef*/} from 'vue';
import { message }from 'ant-design-vue';
import {Tool} from "../../util/tool";
import TheWelcome from '@/components/the-welcome.vue';

/*const listData: any = [];

for (let i = 0; i < 23; i++) {
  listData.push({
    href: 'https://www.antdv.com/',
    title: `ant design vue part ${i}`,
    avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
    description:
        'Ant Design, a design language for background applications, is refined by Ant UED Team.',
    content:
        'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
  });
}*/



export default defineComponent({
  name: 'Home',
  components:{
    TheWelcome
  },
  setup(){

    const ebooks = ref();
    //const ebooks1 = reactive({books:[]});
    const level1 = ref();
    let categorys: any;
    const handleQueryCategory = ()=>{
      axios.get("/Category/all").then((response) => {
        const data = response.data;
        if(data.success){
          categorys = data.content;
          console.log("原始数组：",categorys);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys,0);
          console.log("树形结构：",level1.value);
        }else{
          message.error(data.message);
        }
      });
    };


    const isShowWelcome = ref(true);
    let category2Id = 0;

    const handleQueryEbook =() => {
      axios.get("/Ebook/service",{
        params: {
          page: 1,
          size: 1000,
          category2Id:category2Id
        }
      }).then((response)=>{
        const data = response.data;
        ebooks.value=data.content.list;
        //ebooks2.books=data.content;

      });
    };

    const handleClick = (value: any)=>{
      /*console.log("menu click",value)*/
       if(value.key === 'welcome'){

         isShowWelcome.value=true;
      }else{
         category2Id=value.key;
         isShowWelcome.value=false;
         handleQueryEbook();
       }
      // isShowWelcome.value = value.key ==='welcome';
    };



    onMounted(()=>{
      handleQueryCategory();
      //这里是直接查询所有的内容，这里直接查1000条是认为电子书数据库里不会超过1000条数据
    });
    return{
      pagination: {
        onChange: (page: number) => {
          console.log(page);
        },
        pageSize: 3
      },
        // actions: [
        //   {type: 'StarOutlined', text: '156'},
        //   {type: 'LikeOutlined', text: '156'},
        //   {type: 'MessageOutlined', text: '2'},
        // ],

      ebooks,
        handleClick,
        level1,
      isShowWelcome
      }
    }
});
</script>


<style scoped>
   .ant-avatar{
      width: 50px;
      height: 50px;
      line-height: 50px;
      border-radius: 8%;
      margin: 5px 0;
     }
</style>

